Forces that causes rotation. Must have a pivot.

I am writing on this topic because it is briefly mentioned in the Lower Secondary Science Syllabus and this topic has been removed from some assessment books.  However, some schools continue to test this in Secondary 1 and 2 as this is also a topic that will be covered in Upper Secondary Physics/Science-Physics.

I hope this will be useful for those who needs it. 🙂

Most students are able to recognise the effects of forces (these are covered in Primary School) as well

And the idea of turning effect means that is some form of rotation

This see-saw simulation gives you an idea of turning effect of forces.

In order for something to rotate, a pivot is necessary.

Pivot is … a point which does not move even though the see-saw is rotating. (Can you spot it in the video?)

What is anti-clockwise and clockwise direction?

Clockwise and Anti-clockwise

So far does all this make sense to you before we move on to the application of this concept?

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